Seed-drill



` (Model.)

P. SINNHOLD.

SEED DRILL.

atented 0G11. .1f0. 1,8 8 2.

lijven 011;

5nd @23m/wa UNITED STATES PATENT OE'EICE.

PAUL sINNIIoLD, GEST, LoUIs, MISSOURI.

SEED-DRILL.

SPECIFICATION forming part of Letters Patent No. 265,7C8, dated October 10,'18b2.

Application filed February 20, 1882. (Model.)

To ali whom #may concern: Y

Be it known that I, PAUL SINNHOLD, of St.

Louis, Missouri,have made` a newA and useful Improvement in' Seed-Drills, of which the following is a full, clear, and exact description,

reference being had to the annexed drawings, making part of this specification, in which- Figure l is a view in perspective of the improved machine; Fig. 2, a view of the parts immediately associated with the joint connecting the shovel-beam and its bearing; Fig. 3, a side elevation ofthe parts shown in Fig. 2; Fig. .4, a view in perspective of the crank used in operating the seed-slide; Fig. 5, a sectional view of one ofthe seed-boxes and parts immediately therewith connected; Fig. 6, a side view, showing the connection of the shovel with the beam; Fig. 7, a cross-section taken on the line 7 7 of Fig. 6; Fig. 8, a diagram, upon an enlarged scale, illustrating the bearing of the shovel-beam on the ball-joint; Fig. 9, a sectional view of a portion of the device used in adju-sting the shovel-beam laterally; Fig. 10, a side elevation, showing one of the nuts used in adjusting various parts ofthe machine; and Fig. ll, a View, partly in section, of a device used in sowing broadcast.

The same letters denote the same parts.

I have heretofore (August 29', 1865, and July 26, 1881) patented improvements in cultivators and seed-drills.

The present construction is partly an attachment to and partly an improvement upon the constructions referred to.` It has relation to the means used in jointing the plow-beam to its bearing, to the device used in adjusting the plow-beam laterally, to the peculiar form otnut employed in the adj ustingdevices, to the means used in discharging the seed from the seedboxes, and to the draft device.

A represents the improved machine, having the main beam I), the rear supporting-Wheel, B, the forward supporting-Wheel, C, and the cross-bar E, the latter being the support for the shovel-beams G G. The connection of the latter with the bar E is shown more distinctly in Figs. 2 and 3. A sleeve, H, having a sphericalboss, h, is secured upon the bar E. The beam G is perforated transversely, enabling it to be passed onto and encircle the boss lt. The perforation is preferably cylindrical to enable the beam to yhave the narrowest possible bearing on the boss, as indicated in the diagram of Fig. 8.

I represents a plate or part secured by suitable fastenings, t', to the beam G. The plate serves mainly as a holder for a set-screw, J, which in turn, by being set inward to bearupon the boss h, operatesto tix the beam G rigidly upon the boss.V The plate I may have a connterpart, l', upon the opposite side of the beam G. s y

The construction described enables the beam G to be turned freely upon its bearing until the proper angle ot' adjustment is obtained, and there held until it is Vdesired to change its position. The beams G G can be adjusted and held laterally by means of the devices K K, each of which devices consists as follows: a strap, k, a .threaded bolt, It', and the nut k2. The strap 7o is attached at its lower or outer end to the beam G. At its upper or inner end it is furnished with a projection, 7c3, which serves as a holder for the nut k2. The latter en gages with thethread upon the boltlc, which in turn, at its upper end, is attached to the main beam D. The nut k2 is of the peculiar shape shown in Figs. 9 and 10, having in its outer surface a groove7 k, in which engages the plate 7c3. A lip or otherform of projection, 105, projects or comes beneath the under side ot' the nut. The nut then, when rotated, moves with the part 7c, being, in fact, a fixture thereon. The bolt k and partk, however, are drawn together or opened apart, as desired, `by the rotation ot' the nut, and the beam G thereby turned toward or from the main beam D. The devices K are preferably used in pairs-two at the forward end of the machine and two at the rear end. The nut 7a2 is preferably used in the adjustment of various parts ot' the machine, as seen in the drawings, Fig. l, and the form of the holder k3 may, so far as its particular connection with any special part of the machine is concerned, be extended and shapedv to suit the object of that special part, the only requisite being that the holder be shaped to 'engage in the groove 7a4 of the nut, and enable the nut to remain a xture upon the holder. In Fig. 10 the holder 7c3 is shown attached to a plate or part, lr6. This last-described modifcation is preferably used in adjusting the de-V IOO vice L. This device is used in setting the seedvzo ing mechanism in operation, and consists of the screw l, fixed in the beam D, the nut k2, the holder k3, and the arms Z l, which extend from the holder 7c3 downward, and at their lower ends are provided with bearings to receive a friction-pulley, M. By suitably turning the nut k2 the pulley M is made to bear upon the wheel B, and thereby caused t0 r0- tate.

A crank, N, attached to the shaft of the pulley M, is provided with a wrist-pin, n, of' the shape shown inFig. 4,the pin having a spherical boss,n. A pitman,(),connects at one end with the boss n', and at the other is jointed to a similar boss, p, upon an upright, P, that is attached to the slide-bar Q. The connections of the pitman O with the boss u and the boss p are similar to that ot' the beam G with the boss 7L. The rotation of the crank N imparts a reciprocating movement to the slide-bar Q. The latter at its ends is slotted,the slotted ends working` through the seed boxes R R. The boxes have impert'orate bottoms r, but are suitably perforated at r r to provide for the movement ot the slide-bar. rEhe seed falls into the slot q, and as the slide-bar is moved to and fro is carried out ot' the seed-box and dropped into the spout S, and thence to the ground. The pins r2 serve as guides for the bar Q, and also to direct the seed downward into the spout.Y

The shovels T are attached to rounded bearings t, enabling the shovels to be set higher up or lower down, or to be turned around on the bearing, as desired, and when adjusted to be held by means of the screw t. The beam G has a tie, G', extending from the lower end of the beam G to the lower end of the beam G2. If desired, the three parts G G G2 may be in one piece.

U represent the trace chains leadin,f`- through the vertically-adjustable guides V V to the laterally adjustable bolts W W. The guides r depend from the thills V. The latter are pivoted at QJ to the standard ofthe wheel C, enabling the thills to be turned upward and downward on the standard, and even entirely over backward, and over the beam B. The bolts W are held in the beams G G.

I claiml. The combination of the beam G, the bar E, and the boss h, substantially as described.

2. Thecombination of the beam G, the plate I, the screw J, the bar E, and the boss h, substantially as described.

3. The combination of the boltk,the grooved nut k2, and the holder 7c3, substantially as described.

4. The com bination ofthe pulleyM, the crank N, the pin n, having the boss n', the pitman 0, the upright P,havingthe boss p, and the slidebar Q, substantially as described.VY

5. rlhe combination ot' the slotted bar Q, the seed-box R, and the pin r2, substantially as described.

6. The combination of the beams G G2 and the tie G', substantially as described.

7. The combination of the chains U U, the guides V V, the thills V', the bolts W W, and the beams G G, substantially as described.

PAUL SINNHOLD.

Witnesses:

C. D. MOODY, SAML. S. BOYD. 

